个人简介

B.S., University of Rochester, 1964; Ph.D., Princeton University, 1967. D.Sc.h.c., University of Patras; Carnegie Mellon University; Clarkson University. Assistant Professor, Caltech, 1967-70; Associate Professor, 1970-74; Professor, 1974-; Nohl Professor, 1979-. Executive Officer for Chemical Engineering, 1974-90; Chair, Division of Engineering and Applied Science, 1990-2000.

研究领域

Chemical Engineering

Increases in the levels of greenhouse gases, such as carbon dioxide, and airborne particulate matter, aerosols, are impacting the Earth's climate. Understanding the chemical and physical processes that govern the dynamics and distribution of gases and aerosols in the atmosphere and their effects on climate and air quality represents one of the grand challenges of science in the 21st Century. That the increase of greenhouse gases attributable to human activities is causing a steady rise in the Earth's global mean temperature is unequivocal. The ability to forecast future climate based on scenarios of energy consumption and other activities is hampered by uncertainties in two major climate factors. Aerosols, on the whole, partially offset the global warming due to the increase of greenhouse gases, but the complex life cycle of aerosols in the atmosphere is still incompletely understood. This uncertainty translates into an uncertainty of the effect of aerosols on climate. Second, clouds are a large source of uncertainty in climate models, and the most uncertain aspect is the extent to which changes in aerosol levels have influenced cloud amounts and precipitation and will do so in the future. Our research is broadly aimed at improving our understanding of the physics and chemistry of atmospheric aerosols, at scales ranging from the urban to the global atmosphere. This improved understanding will lead to more accurate representations of these processes in urban, regional, and global atmospheric models. We focus on the fundamental processes of aerosol formation and growth in the atmosphere. Of these, both the most important and the most uncertain are those involving the organic fraction of the atmospheric aerosol, which can be as large as 90% in some regions. Aerosol formation and evolution processes involve detailed gas-phase atmospheric chemistry and gas-particle interactions. The interaction of aerosols with atmospheric water is key to much of their behavior. We also focus on developing and evaluating the representation of aerosol-cloud-precipitation interactions in atmospheric models. Our research is broadly divided into three strongly overlapping areas: Laboratory chamber studies of the formation and evolution of atmospheric organic aerosols. Airborne field measurement of atmospheric aerosols and clouds. Urban, regional, and global modeling of air quality and climate. Selected Awards: Wallace Memorial Fellow, Princeton University (1966-1967); Donald P. Eckman Award, American Automatic Control Council (1970); Camille and Henry Dreyfus Foundation Teacher-Scholar Grant (1972); Curtis W. McGraw Research Award, American Society for Engineering Education (1976); Allan P. Colburn Award, American Institute of Chemical Engineers (1976); Thirty-Second Institute Lecturer, American Institute of Chemical Engineers (1980); Public Service Award, NASA (1980); National Academy of Engineering (1982); William H. Walker Award, American Institute of Chemical Engineers (1986); Fellow, Japan Society for the Promotion of Science (1986); George Westinghouse Award, American Society for Engineering Education (1987); Special Creativity Award, National Science Foundation (1988); Service Through Chemistry Award, Orange County Section of American Chemical Society (1988); Distinguished Alumnus Award, College of Engineering and Applied Science, University of Rochester (1989); Fellow, American Academy of Arts and Sciences (1991); Award for Creative Advances in Environmental Science and Technology, American Chemical Society (1993); Fellow, American Institute of Chemical Engineers (1995); Fuchs Award, International Aerosol Research Assembly (1998); Fellow, American Association for the Advancement of Science (1999); Warren K. Lewis Award, American Institute of Chemical Engineers (2000); Nevada Medal (2001); Haagen-Smit Clean Air Award, State of California Air Resources Board (2003); Fellow, American Geophysical Union (2004); Atmospheric Environment Haagen-Smit Award, 2004; ASLI Choice Award, “Atmospheric Chemistry and Physics”, Atmospheric Science Librarians International, 2006; Aurel Stodola Medal, Swiss Federal Institute of Technology (2008); Doctor of Science honoris causa, University of Patras (2002), Carnegie Mellon University (2002), Clarkson University (2009), Tyler Prize (2012), National Academy of Sciences (2013).

近期论文

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Loza, C.L., J.S. Craven, L.D. Yee, M.M. Coggon, R.H. Schwantes, M. Shiraiwa, X. Zhang, K.A. Shilling, N.L. Ng, M.R. Canagaratna, P.J. Ziemann, R.C. Flagan, and J.H. Seinfeld, Secondary Organic Aerosol Yields of 12-Carbon Alkanes, Atmos. Chem. Phys., 14, 1423-1439 (2014). Chen, Y.C., M.W. Christensen, G.L. Stephens, and J.H. Seinfeld, Satellite-Based Estimate of Global Aerosol-Cloud Radiative Forcing by Marine Warm Clouds, Nature Geoscience, 7, 643-646 (2014). Zaveri, R., R.C. Easter, J.E. Shilling, and J.H. Seinfeld, Modeling Kinetic Partitioning of Secondary Organic Aerosol and Size Distribution Dynamics: Representing Effects of Volatility, Phase State, and Particle-Phase Reaction, Atmos. Chem. Phys., 14, 5153-5181 (2014). Zhang, X., R.H. Schwantes, M.M. Coggon, C.L. Loza, K.A. Schilling, R.C. Flagan, and J.H. Seinfeld, Role of Ozone in SOA Formation from Alkane Photooxidation, Atmos. Chem. Phys., 14, 1733-1753 (2014). Coggon, M.M., A. Sorooshian, Z. Wang, J.S. Craven, A.R. Metcalf, J.J. Lin, A. Nenes, H.H. Jonsson, R.C. Flagan, and J.H. Seinfeld, Observations of Continental Biogenic Impacts on Marine Aerosol and Clouds off the Coast of California, J. Geophys. Res., 10.1002/2013JD021228 (2014). Nguyen, T.B., M.M. Coggon, K.H. Bates, X. Zhang, R.H. Schwantes, K.A. Schilling, C.L. Loza, R.C. Flagan, P.O. Wennberg, and J.H. Seinfeld, Organic Aerosol Formation from the Reactive Uptake of Isoprene Epoxydiols (IEPOX) onto Non-Acidified Inorganic Seeds, Atmos. Chem. Phys., 14, 3497-3510 (2014). Ensberg, J.J., P.L. Hayes, J.L. Jimenez, J.B. Gilman, W.C. Kuster, J.A. de Gouw, J.S. Holloway, T.D. Gordon, S. Jathar, A.L. Robinson, and J.H. Seinfeld, Emission Factor Ratios, SOA Mass Yields, and the Impact of Vehicular Emissions on SOA Formation, Atmos. Chem. Phys., 14, 2383-2397 (2014). Bates, K.H., J.D. Crounse, J.M. St. Clair, N.B. Bennett, T.B. Nguyen, J.H. Seinfeld, B.M. Stoltz, and P.O. Wennberg, Gas Phase Production and Loss of Isoprene Epoxydiols, J. Phys. Chem., 118, 1237-1246 (2014). Riccobono, F., S. Schobesberger, C.E. Scott, J. Dommen, I.K. Ortega, L. Rondo, J. Almeida, A. Amorim, F. Bianchi, M. Breitenlechner, A. David, A. Downard, E. Dunne, J. Duplissy, S. Ehrhart, R.C. Flagan, A. Franchin, A. Hansel, H. Junninen, M. Kajos, H. Keskinen, A. Kupc, O. Kupiainen, A. Kurten, T. Kurten, A. Kvashin, A. Laaksonen, K. Lehtipalo, V. Makhmutov, S. Mathot, T. Nieminen, T. Olenius, A. Onnela, T. Petaja, A. Praplan, F. Santox, S. Schallhart, J.H. Seinfeld, M. Sipila, D.V. Spracklen, Y. Stozhkov, F. stratmann, A. Tome, G. Tsagkogeorgas, P. Vaattovaara, H.Vehkamaki, Y. Viisanen, A. Vrtala, P.E. wagner, E. Weingartner, H. Wex, D. Wimmer, K.S. Carslaw, J. Curtius, N. Donahue, J. Kirkby, M. Kulmala, D.R. Worsnop, and U. Baltensperger, Oxidation Products of Biogenic Emissions Contribute to Nucleation of Atmospheric Particles, Science, 344, 717- 721 (2014). Liu, A. T., R.A. Zaveri, and J.H. Seinfeld, Analytical Solution for Transient Partitioning and Reaction of a Condensing Vapor Species in a Droplet, Atmos. Environ., 89, 651-654 (2014). Zhang, X., C.D. Cappa, S. Jathar, R.C. McVay, J.J. Ensberg, M.J. Kleeman, and J.H. Seinfeld, Influence of Vapor Wall Loss in Laboratory Chambers on Yields of Secondary Organic Aerosol, Proc. Natl. Acad. Sci., 111, 5802-5807 (2014). Napier, W.J., J.J. Ensberg, and J.H. Seinfeld, Insight into the Numerical Challenges of Implementing 2-Dimensional SOA Models in Atmospheric Chemical Transport Models, Atmos. Environ., 96, 331-344 (2014). Schilling Fahnestock, K.A., L.D. Yee, C.L. Loza, N.F. Dalleska, and J.H. Seinfeld, Secondary Organic Aerosol Composition from C12 Alkanes, J. Phys. Chem., dx.doi.org/10.1021/jp501779w (2014). Shiraiwa, M., T. Berkemeier, K.A. Schilling-Fahnestock, J.H. Seinfeld, and U. Poschl, Molecular Corridors and Kinetic Regimes in the Multiphase Chemical Evolution of Secondary Organic Aerosol, Atmos. Chem. Phys., 14, 8323-8341 (2014). Kurten, A., T. Jokinen, M. Simon, M. Sipila, N. Sarnela, H. Junninen, A. Adamov, J. Almeida, A. Amorim, F. Bianchi, H. Breitenlechner, J. Dommen, N.M. Donahue, J. Duplissy, S. Ehrhart, R.C. Flagan, A. Franchin, J. Hakala, A. Hansel, M. Heinritzi, M. Hutterli, J. Kangasluoma, J. Kirkby, A. Laaksonen, K. Lehtipalo, M. Leiminger, V. Makhmutov, S. Mathot, A. Onnela, T. Petaja, A.P. Praplan, F. Riccobono, M.P. Rissinen, L. Rondo, S. Schobesberger, J.H. Seinfeld, G. Steiner, A. Tome, J. Trostl, P.M. Winkler, C. Williamson, D. Wimmer, P. Ye, U. Baltensperger, K.S. Carslaw, M. Kulmala, D.R. Worsnop, and J. Curtius, Neutral Molecular Cluster Formation of Sulfuric Acid-Dimethylamine Observed in Real Time under Atmospheric Conditions, Proc. Natl. Acad. Sci., 10.1073/pnas.1404853111 (2014). Fast, J.D., J. Allan, R. Bahreini, J. Craven, L. Emmons, R.A. Ferrare, P.L. Hayes, A. Hodzik, J. Holloway, C.A, Hostetler, J.L. Jimenez, H. Jonsson, S. Liu, Y. Liu, A. Metcalf, A. Middlebrook, J. Nowak, M. Pekour, A. Perring, L. Russell, A. Sedlacek, J. Seinfeld, A. Setyan, J. Shilling, M. Shrivastava, S. Springston, C. Song, R. Subramanian, J.W. Taylor, V. Vinoj, Q. Yang, R.A. Zaveri, and Q. Zhang, Modeling Regional Aerosol and Aerosol Precursor Variability over California and its Sensitivity to Emissions and Long-Range Transport during the 2010 CalNex and CARES Campaigns, Atmos. Chem. Phys., 14, 10013-10060 (2014). McVay, R.C., C.D. Cappa, and J.H. Seinfeld, Vapor-Wall Deposition in Chambers: Theoretical Considerations, Environ. Sci. Technol., 48, 10251-10258 (2014). Nguyen, T.B., J.D. Crounse, R.H. Schwantes, A.P. Teng, K.H. Bates, X. Zhang, J.M. St. Clair, W.H. Brune, G.S. Tyndall, F.N. Keutsch, J.H. Seinfeld, and P.O. Wennberg, Overview of the Focused Isoprene eXperiments at California Institute of Technology (FIXCIT): Mechanistic Chamber Studies on the Oxidation of Biogenic Compounds, Atmos. Chem. Phys. Disc., 14, 21611-21658 (2014). Prabhakar, G., B. Ervens, Z. Wang, L.C. Mauldin, M.M. Coggon, H.H. Jonsson, J.H. Seinfeld, and A. Sorooshian, Sources of Nitrate in Stratocumulus Cloud Water: Airborne Measurements during the 2011 E-PEACE and 2013 NICE Studies, Atmos. Environ., 97, 166-173 (2014). Chan, K.M., D.D. Huang, Y.J. Li, M.N. Chan, J.H. Seinfeld, and C.K. Chan, Oligomeric Products and Formation Mechanisms from Acid-Catalyzed Reactions of Methyl Vinyl Ketone on Acidic Sulfate Particles, J. Atmos. Chem., DOI 10.1007/s10874-013-9248-7 (2013).